[tdwg-content] dcterms:rights, dcterms:accessRights, and dcterms:license in Darwin Core

[Bryan]

This looks like a good solution to me! Thank you for staying on top of it.
On Dec 29, 2013 10:08 AM, "John Wieczorek" <tuco at berkeley.edu> wrote:

> Dear all,
>
> There doesn't seem to be a great deal of interest in this topic based
> on the feedback so far. Yet, we have a situation in Darwin Core that
> results in an error in schema validation [1] and which must be
> resolved. With this message I would like to formally open the 30-day
> public commentary period for the solution proposed below. A lack of
> dissenting opinion within those 30 days will be taken as a consensus
> in favor, after which the solution will be taken to the Executive
> Committee for a vote on ratification.
>
> I propose to deprecate the recommendation to use of dcterms:rights in
> Darwin Core in favor of using dcterms:license, which a) better fits
> the original intention (see comment at [2]), b) resolves the schema
> issue, and [3] permits the continued use of the term
> dcterms:accessRights in Darwin Core. The new term has a range
> dcterms:LicenseDoument, as Steve pointed out, and this could be
> satisfied with URL's pointing to license documents, such as the one in
> the existing commentary
> (http://creativecommons.org/licenses/by-sa/3.0/) - see precedent at
> [3].
>
> Cheers,
>
> John
>
>
>
>
> [1] Bob Morris' issue #196;
> https://code.google.com/p/darwincore/issues/detail?id=196
> [2] http://rs.tdwg.org/dwc/terms/index.htm#dcterms:rights
> [3] http://oeg-dev.dia.fi.upm.es/licensius/blog/?q=node/6
>
> On Thu, Nov 7, 2013 at 3:04 PM, Steve Baskauf
> <steve.baskauf at vanderbilt.edu> wrote:
> > In the context of developing the DwC RDF Guide and trying to maintain
> > consistency with Audubon Core, I have written on the subject of various
> > license-related terms [1].   In particular, I discuss the implications of
> > various subproperty relationships that have been asserted for several
> common
> > license-related terms, such as cc:license, xhv:license, and
> dcterms:license.
> > I should note that the issue that Bob brings up also applies to
> > dcterms:license because dcterms:license is rdfs:subPropertyOf
> > dcterms:rights. [2]  So suggesting a license URI as a value for
> > dcterms:rights can't be "wrong" because a reasoner could infer that
> triple
> > anyway based on the subproperty relationship.
> >
> > An additional issue is the fact that the range of dcterms:license is
> > dcterms:LicenseDocument, a non-literal class. [2]  So it would be best to
> > NOT use that term with a string literal.  In the RDF Guide[3], we
> recommend
> > using legacy dc: namespace terms (where they exist) with literal values
> [4]
> > in cases where DCMI declares non-literal ranges for dcterms: namespace
> > terms.  Unfortunately, there is no dc: namespace analogue for
> > dcterms:license.  Because dcterms:license was not part of Darwin Core
> when
> > the guide was written, there is no suggestion for a literal value
> analogue
> > to dcterms:license in the guide itself.  But following the lead of
> Audubon
> > Core, the ancillary document [1] suggests that the term
> xmpRights:UsageTerms
> > could be used as a literal value alternative to dcterms:license.  I
> would be
> > interested in hearing opinions about whether this suggestion is
> appropriate
> > or not.  The ancillary document is informative and not part of any
> standard
> > so it can easily be changed to reflect any consensus about what we
> consider
> > to be a best practice.
> >
> > Steve
> >
> > [1] http://code.google.com/p/tdwg-rdf/wiki/LicenseProperties
> > [2] http://dublincore.org/documents/dcmi-terms/#terms-license
> > [3] http://code.google.com/p/tdwg-rdf/wiki/DwcRdfGuideProposal
> > [4]
> >
> http://code.google.com/p/tdwg-rdf/wiki/DwcRdfGuideProposal#3.3_Imported_Dublin_Core_terms_that_have_non-literal_objects_and
> >
> > John Wieczorek wrote:
> >>
> >> Dear all,
> >>
> >> Bob Morris recently submitted an issue [1] to the Darwin Core code
> >> site showing a potential ambiguity in the inclusion from Dublin Core
> >> of both dcterms:rights and dcterms:accessRights in the Simple Darwin
> >> Core schema [2]. The ambiguity arises from the fact that
> >> dcterms:accessRights is actually a subclass of dcterms:rights.
> >>
> >> Looking at the Darwin Core documentation about the use of these terms,
> >> I noticed that dcterms:rights [3] suggests a license
> >> ("http://creativecommons.org/licenses/by-sa/3.0/") as an example. I
> >> think this example is an inappropriate use for the term and instead is
> >> an example of a dcterms:license.
> >>
> >> I think it would be a good idea to add dcterms:license to the list of
> >> terms promoted by Darwin Core, especially after reading Peter Desmet's
> >> blog posts [4, 5]. If license was indeed the intent for including
> >> dcterms:rights in the first place, then perhaps it can be deprecated,
> >> leaving only its subtype dcterms:accessRights.
> >>
> >> Discussion welcome, so that I know whether to submit an issue for
> >> these changes to the Darwin Core.
> >>
> >> Thanks,
> >>
> >> John
> >>
> >> [1] https://code.google.com/p/darwincore/issues/detail?id=196
> >> [2] https://darwincore.googlecode.com/svn/trunk/xsd/tdwg_dwc_simple.xsd
> >> [3] http://rs.tdwg.org/dwc/terms/index.htm#dcterms:rights
> >> [4] http://peterdesmet.com/posts/illegal-bullfrogs.html
> >> [5]
> >> http://www.canadensys.net/2012/why-we-should-publish-our-data-under-cc0
> >> _______________________________________________
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> >>
> >>
> >>
> >
> >
> > --
> > Steven J. Baskauf, Ph.D., Senior Lecturer
> > Vanderbilt University Dept. of Biological Sciences
> >
> > postal mail address:
> > PMB 351634
> > Nashville, TN  37235-1634,  U.S.A.
> >
> > delivery address:
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> > 1161 21st Ave., S.
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> >
> > office: 2128 Stevenson Center
> > phone: (615) 343-4582,  fax: (615) 322-4942
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> >
> >
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